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English 29 Public

4th grade Biology- How do plants reproduce?

Study Slideshow

An important function of plants is to..

reproduce

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What is to reproduce?

to make more of the same kind/ produce offspring

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Flowering plants and conifers reproduce by ...

Seeds

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Give example of 2 plants that reproduce by seeds.

Daffodills (flowering) / Conifers (cones)

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Non-flowering plants reproduce by ...

Spores

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Give 2 examples of plants that reproduce by spores

Ferns (non-flowering/ vasular) and mosses (non flowering non-vascular)

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What is a "stamen" ?

-The male part - surround the pistill - produce pollen that contains sperm cells.

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What is a "Pistill" ?

- Female part - contains an ovary

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What is an "Ovary" ?

- In the pistill - produces egg cells - The place where egg cells and sperm cells are combined to produce seeds.

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Petals

- Colourful - Protect the part that makes seeds - Attract seeds, butterflies, birds, and other organisms.

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Sepals

- green leaf part - cover and protect the flower bud

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What is the male part of a flower? What does it produce?

Stamen - pollen (sperm cells)

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What is the female part of a flower? What does it produce? where?

Pistill / egg cells in the ovary

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What is "pollination" ?

The transfer of pollen from stamen to pistill

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What is "Nectar" ?

a liquid that flowers produce and bees love.

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How can bees contribute to the process of "Pollination" ?

They can move the pollen to the pistill when they absorb the nectar

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